baber/WOPTO huggingface dataset:
Patent GB-1509006-A (GB)
Title: Rakes
IPC: A01B45/02
Filed: 1975-06-30
Abstract: 1509006 Power-driven thatching rake OUTBOARD MARINE CORP 30 June 1975 [13 Sept 1974] 27492/75 Heading A1F A thatching rake 111 comprises a housing enclosing a thatching reel 125, which is horizontally rotatable, has swingable blades 127 and is power-driven from an I.C. engine 129 via pulleys 135, 133, an endless belt 131 and a clutch system comprising an idler 181 biased at 189 away from the belt 131 unless pulled by a bail 190 and cable 197. The housing 115 (117, 118) includes a baffle 151 preventing recirculation of cut moss, thatch &c. in the reel 125, and it is wheel mounted 121, 235, for manual pushing via a handle 239 the front wheels 235 being joined by an axle 247 which is supported in vertical slots 249 in the housing walls (117, 118). The height of the housing is manually adjustable 241, 239, 236 with respect to the axle 247, which, in turn, is freely pivotable about a fore-aft axis 250 so as to accommodate ground contour, the axle ends vertical movement being limited by an adjustable clamping block 251 slideable in the respective slot 249. A guard 161 pivotably mounted on the housing at 165 prevent cut thatch from reaching an operative. The baffle and guard may instead be as in Fig. 4. A thatch-catcher 313 may be detachably mounted on the housing, Fig. 7.
Patent GB-1270685-A (GB)
Title: Gas-air supply system
Inventor: WASTIE ARTHUR E
IPC: F17B1/12
Filed: 1969-05-30
Abstract: 1,270,685. Gas distribution systems. NORTH AMERICAN UTILITY CONSTRUCTION CORP. 30 May, 1969, No. 27843/69. Heading F4X. Relates to a mixer unit which in use is connected-up to a cylinder 40 of gas (e.g. liquefied petroleum gas) and which supplies through a line 124 an air/gas mixture of controllable proportions and pressure to a domestic gas consuming appliance such as a stove. The unit is portable and comprises a casing 10 with carrying handles 132. The casing front, comprises a vertically slidable access door 28. The gas cylinder has the usual regulator valves 42, 44 and is connected by a pipe 46 to an inlet pipe 50 of the unit. The gas passes through pipe 50 and needle valve 51, to a pressure reducer 52 having a filter (not shown) and control means 54. From the reducer 52 the gas flows through a motorized valve 66 to an aspirator 74 in which a further reduction in pressure takes place and having means (e.g. a valve 88, Fig. 3) for regulating the rate of air flow thereto. The gas/air mixture passes from the aspirator through a line 80 to a surge tank comprising a compartment (26, Figs. 2 and 3) formed in the rear of the casing and from there is discharged through a further regulator 120 and line 116 to the discharge duct 214 leading to the stove or other appliance (not shown). A tube 108 connects the discharge side of the aspirator to a pressure gauge 110 and into the tube 108 is connected also a controller 112 responsive to the domestic appliance pressure and containing a pressure-operated means for regulating the current supplied to motor 68 of the valve 66. Other pressure gauges 60, 62, 70 are connected into the gas supply line upstream of the aspirator and all are located on the floor of the casing whereby they can be viewed by raising the slidable door 28.
Patent GB-260997-A (GB)
Title: Improvements in or relating to methods of electrically testing insulating layers
IPC: G01R31/02
Filed: 1926-11-03
Abstract: 260,997. International General Electric Co., Inc., (Assignees of Allgemeine Elektricitõts Ges.). Nov. 3, 1925, [Convention date]. Detecting, indicating, and locating faults. - The dielectric strength of the insulating layer on a wire, particularly enamelled wire, is tested by passing the wire through a glow-discharge field which is so adjusted that only a brush discharge takes place on the passing of a fault. The wire 4 to be tested is wound from a spool 3 to a spool 3<1> and passes between two plates 1 mounted on insulating carriers 5 and electrically connected by a screw 2, by means of which their distance apart may be adjusted. The plates J are connected through a variable condenser to the secondary winding of a transformer, the other end of which is earthed through a resistance The wire may be earthed at both ends, or the spool shafts mav be insulated. Several wires may be tested from the same source, in which case the variable transformer has several rotary plates insulated from one another and each connected to a pair of plates 1.
Patent GB-745763-A (GB)
Title: Apparatus for independently tensioning a plurality of continuous running flexible elements
IPC: B65H18/10
Filed: 1953-10-08
Abstract: 745,763. Slitting webs. AMERICAN VISCOSE CORPORATION. Oct. 8, 1953 [Nov. 18, 1952], No. 27671/53. Class 31 (1). [Also in Groups IX and XVI] In an apparatus for rewinding webs (see Group XVI) a web is slit longitudinally into narrow webs by a slitting device 13. The slitting device comprises a plurality of discs 41 around which the web, not shown, passes. A series of knives 42, attached to a pivoted support 44, is held in cutting position, between the discs 41, by a set screw 46 extending through an arm 45 into engagement with a frame 47.
Patent GB-940860-A (GB)
Title: Moulding of end stops or fittings on slide fasteners
Inventor: AUSTIN CHRISTOPHER FREDERIC
IPC: A44B19/60
Filed: 1961-07-31
Abstract: 940,860. Moulding fastener end stops. LIGHTNING FASTENERS Ltd. July 11, 1962 [July 31, 1961], No. 27677/61. Heading B5A. [Also in Division E2] An end stop or fitting is injection moulded from thermoplastics material on to a compressed portion of a series of deformable elements of an open or closed end slide fastener. A fitting of decreased size results which may be of smaller cross-section than the respective single or interlocked series of uncompressed elements and prevents the interference of moulding material flush with the engagement of elements near to the stop. Continuous spiral thermoplastic elements 1, mounted upon support tape, may be hot pressed or partially melted to a reduced cross-section 5 around which an end stop 2 is moulded within tubular mould 3 and the amount of flush further reduced by partial closing of the end of the mould as at 6 or (Fig. 3, not shown) compressing the elements to form a conical plug.
Patent GB-206671-A (GB)
Title: Improvements in or relating to electric apparatus for the production of per-oxides of nitrogen
IPC: C01B21/20
Filed: 1922-10-13
Abstract: 206,671. Stacey, F. Oct. 13, 1922. Gases, treating with electric discharge.-In an electric arc apparatus for manufacturing nitrogen peroxide having electrodes c, d adapted to contact and separate intermittently, the electrode c is tubular and has a, suction applied thereto so as to draw the flame and atmospheric air into the arcing end of the electrode, the air being sucked through the flame. The suction is applied by a pump i driven from a shaft m fitted with a cam q which operates the electrode d through the rocking lever r<3> and clutch s. The clutch s comprises a split collar the halves of which are pivoted together and engaged by a fork r<6> so that they grip the electrode to raise it and then release it to fall by its own weight.
Patent GB-771475-A (GB)
Title: Improvements relating to mercury and other conducting liquid switches
Inventor: COURT RONALD ARTHUR BRADLEY
IPC: H01H29/20
Filed: 1954-10-11
Abstract: 771,475. Rotary switches. WALLSALL CONDUITS; Ltd. Oct. 11, 1954 [Oct. 9, 1953], No. 27773/53. Class 38(5) A mercury switch comprises a number of tiltable mercury containers and a common cam spindle so arranged as to tilt one or more of the containers whilst the remainder are stationary. As shown, the containers 14 are mounted on platforms 15 pivoted in two banks on spindles 24, and biased downwards by weights 22. The inner ends of the platforms 15 co-operate with the underside of a shaft 13 having cut-away portions 28 forming cams. The platforms 15 may be pivoted at their outer ends so as to rest on the upper side of the shaft 13. The cam portions on shaft 13 are angularly-spaced so that only one set of contacts is closed at a time. In modifications, one cam may operate two or more platforms or two or more cams may act simultaneously on two or more platforms. The shaft 13 is located in its positions by a spring pressed ball engaging depressions therein (Fig. 4, not shown).
Patent GB-481090-A (GB)
Title: Improvements in or relating to throttle valve control of air admission to gas engines
IPC: F02D9/10
Filed: 1937-10-13
Abstract: 481,090. Regulating. DEUTSCHE WERKE KIEL AKT.-GES. Oct. 13, 1937, No. 27853. Convention date, Nov. 16, 1936. [Class 7 (vi)] In a gas engine wherein the gas is admitted past a throttle valve to the upper part of a. mixing. chamber c fitted with the cylinder admission valves, the air is admitted to the mixing-chamber past a throttle valve e having its axis arranged in or near the wall of the mixing-chamber and parallel to the stem f of the cylinder admission valve. The wings of the throttle valve e are arranged as shown, so as to give a tangential whirl to the incoming air. The guide for the cylinder valve f is arranged above the valve, e, so as not to interfere with the whirling action.
Patent GB-671445-A (GB)
Title: Improvements in and relating to electro-therapeutic apparatus
IPC: A61N1/36
Filed: 1949-11-01
Abstract: 671,445. Electro-therapeutic apparatus. STRONG, C. L. Oct. 16, 1950 [Nov. 1, 1949], No. 27942/49. Drawings to Specification. Class 81 (ii). Electro-therapeutic apparatus comprising a power supply, coil and motor driven surger, is connected to a remote control unit placed near to the patient. The two units are connected-by a multi-wire cable. A main switch in the control unit operates a relay in the supply equipment which switches on the vibrator and coil unit and the surging motor, the latter driving the arm of a potentiometer. The control unit also has a variable resistance for controlling the speed of the motor, terminals for connection to electrodes and a signal lamp for indicating when the apparatus is switched on, and the rate of surge.
Patent GB-1436225-A (GB)
Title: Differential gear mechanism
IPC: F16H48/29
Filed: 1973-06-13
Abstract: 1436225 Differential gearing V E GLEASMAN and R N BENJAMIN 13 June 1973 [12 July 1972] 28068/73 Heading F2D To provide substantial equalization of torque delivered at the two output shafts 12, 12a of a differential gear with helically toothed side wheels 11, 11a fixed to the output shafts and having their teeth inclined in the same direction so that end thrust on the two side wheels is additive in a direction towards one of the output shafts, e.g. towards the shaft 12a when the gear is driven in the direction corresponding to forward motion of a vehicle in which it is fitted, a friction-reducing thrust washer 15a comprising a multiplicity of radially disposed rollers (not shown) is mounted on that shaft between the side wheel 1 la and the casing. Within the casing, which is driven by a gear 22, are worms 13, 13a in mesh respectively with the wheels 11, 11a and carried by journal pins retained in the casing by pins 19. Three such worms are associated with each side wheel and each worm has a balance gear 14, 14a attached to each of its ends.
Patent GB-409211-A (GB)
Title: Improvements in liquid fuel burners
IPC: F23D11/10
Filed: 1933-10-11
Abstract: 409,211. Spray-producers. BABCOCK & WILCOX, Ltd., and LAPPIN, J., Babcock House, Farringdon Street, London. Oct. 11, 1933, No. 28128. [Class 69 (iii).] A liquid-fuel burner comprises an atomizer plate 10 formed with slots 11, 12 on both its front and back faces leading tangentially to a cylindrical or conical whirling chamber 13 arranged behind the spraying orifice in a discharge plate 14. A diaphragm 5 screwed in a pipe 2 is formed with diverging passages 7 registering with a groove 9 in the back face of the plate 10 and with peripheral holes 6 leading from a pipe 1 surrounding the pipe 2 to a groove 8 in the front face of the plate 10. Liquid fuel may be supplied under pressure through valves 3, 4 to either or both of the pipes 1, 2 and passes to the whirling chamber 13 through the holes 6, groove 8 and slots 11 or through the passages 7, groove 9 and slots 12. Alternatively fuel may be supplied under a small gravity head to the pipe 2 and be atomized by compressed air or steam supplied through the pipe 1.
Patent GB-1180635-A (GB)
Title: Molecular Compound of Inosine-Tryptophan
IPC: C07H19/16
Filed: 1967-06-19
Abstract: 1,180,635. Molecular compound of inosinetryptophan. AJINOMOTO CO. Inc. 19 June, 1967 [18 June, 1966; 28 Jan., 1967], No. 28248/67. Heading C2C. A novel molecular compound of optically active tryptophan and inosine comprising equimolar amounts of each is prepared by (a) mixing an aqueous solution of inosine with an aqueous solution of tryptophan; (b) adding solid tryptophan to an aqueous solution of inosine; (c) adding solid inosine to an aqueous solution of tryptophan; or (d) reacting the two components under suspension or slurry conditions. As starting materials free inosine and its salts, e.g. alkali metal salts, may be used together in the free tryptophan or a salt thereof, e.g. the hydrochloride. By virtue of their different solubilities the molecular compounds of D-tryptophan and L-tryptophan with inosine may be separated by fractional crystallization. The molecular compound is split into its two components by ion-exchange chromatography or by contact with methanol in which only the tryptophan is appreciably soluble.
Patent GB-478840-A (GB)
Title: Improvements in light valves
IPC: H04N5/66
Filed: 1936-10-17
Abstract: 478,840. Light valves. TRAUB, E. Oct. 17, 1936, No. 28263. [Class 40 (iii)] In a light valve comprising a cell containing a medium traversed by mechanical waves of supersonic frequency and having a beam of light passing through it from an illuminated slot, the width of the slot is increased so that the diffraction images overlap the direct image to a substantial extent preferably such that the inner edges of the first pair of diffraction images are approximately coincident. The direct image, together with the overlapping portions of the first diffraction images are stopped out. The increase in light in the other diffraction images, due to the extra width of slot, results in an increase in light intensity of approximately 50 per cent in the final image.
Patent GB-626325-A (GB)
Title: Receiving and indicating system for a variable-frequency rotary beacon
IPC: G01S1/02
Filed: 1946-09-20
Abstract: 626,325. Frequency measurements. STANDARD TELEPHONES & CABLES, Ltd. Sept. 20, 1946, No. 28304. Convention date, June 11, 1945. [Class 37] [Also in Group XL (c)] A frequency-meter in a receiver used in radio beacon system, wherein the radio or modulation frequency of the transmitted signal varies with the direction of a rotating directive beam, comprises two channels, in one of which the attenuation varies with frequency according to a sine function and in the other of which the attenuation varies with frequency according to a cosine function so that, by a comparison of the outputs of the channels, the input frequency, and hence the azimuth of the receiver with respect to the beacon, may be determined. The beacon transmitter 1 comprises a variable frequency source ganged to the rotating aerial system whereby the modulation or radio frequency is made to vary with azimuth. At the receiver, the received signals, amplified at 8 and limited at 9, are applied in parallel to filters 10 and 11. The attenuation of filter 10 depends upon the received frequency in such a manner that the output thereof varies linearly with the cosine of the azimuth angle, as illustrated at 15, Fig. 2. Similarly, the output of filter 11 is made to vary linearly with the sine of the azimuth angle, as illustrated at 13, Fig. 2. Integrating circuits 17 and 18 provide continuous signals from the intermittent signals which are delivered from 10 and 11. A similar continuous signal is delivered from circuit 22 and is used to convert the signals from 17 and 18, which are always of the same sign, into signals which may be eithor positive or negative according to the appropriate sine or cosine function, i.e. the constant amplitude level superimposed on the variable level is removed. These operations are performed in circuits 19 and 20, the outputs of which are directly proportional to the sine and cosine respectively of the azimuth angle, and are applied to ratioineter 21 to indicate its value. Specifications 581,201 and 606,264 are referred to.
Patent GB-906377-A (GB)
Title: Change giving apparatus for automatic vending machine
Inventor: BOURACIER CYRIL EUGENE
IPC: G07F5/24
Filed: 1960-08-16
Abstract: 906,377. Coin-freed apparatus. ICE-MATIC Ltd. Oct. 17, 1960 [Aug. 16, 1960], No. 28374/60. Class 27. Change-giving apparatus for an automatic vending machine comprises one or more vertical columns 16, 17, 18, 19, each adapted to contain a stack of coins and having an opening at one side to allow at least the lowermost coin to slide sideways from beneath the stack, each stack of coins resting on a support 22, 25, 28, 31 having a slot 24, 27, 30, 33, and a carriage 34 which is coupled to the vending mechanism of the machine and has a number of fingers 41 corresponding to the number of columns and engaging the slots whereby when the carriage makes one complete reciprocating movement for each vending cycle, each finger slides in a slot to push one or more coins from the bottom of the respective stack through the respective opening. The means coupling the carriage to the vending mechanism consists of a flexible cable 60 secured to a rod 58 having a groove 59 engaged by two spring-pressed plungers mounted in the carriage whereby movement of the cable moves the carriage. The end 65 of the rod permits a roller 64 to move and open a switch 63 controlling the coin acceptor mechanism of the machine during each reciprocation of the carriage. In the event of the pull on the cable exceeding a predetermined maximum, such as when a finger engages a disc, several times thicker than a coin, placed on top of the stack, the plungers are disengaged from the groove 59 and engage a groove 66, and on the return movement of carriage, the rod is held so that the cable is slack and the end of the rod does not return to its initial position, the switch remaining in its open condition to prevent actuation of the coinacceptor mechanism of the machine. Each finger 41 is adjustably mounted on the carriage to enable one or more coins to be ejected from its respective column into a shoot 49. Specifications 687,359, 707,432, 906,371 and 906,373 are referred to.
Patent GB-1391347-A (GB)
Title: Revolving cow milking plant
IPC: A01K1/12
Filed: 1972-06-16
Abstract: 1391347 Milking stalls K J SULZBERGER 16 June 1972 [17 June 1971] 28397/72 Heading AIM In a milking system comprising a rotatable annular platform divided into bail spaces in which the cows face radially inwards, the platform being intermittently advanced by one bail space after a set time delay to allow a milked cow to leave and an unmilked cow to enter, photocells 43 and 44 at the points of ingress and egress of the cows act to prevent rotation of the platform while a cow is still entering or leaving. The setting of the time delay may be adjusted by a variable timer unit on a control panel 45. Manual override control is provided. Ingress is from leading yard 16 via a ramp 17 to the available stall 18; egress is from exit stall 19 down a ribbed ramp 20 and through a tunnel under the far side of the platform. A mechanically operated gate 24 allows the operator to keep a slow milking cow in the exit stall 19. The platform, of angle iron with checkerplate decking, is in four quadrants, connected as at 14, and has flanged wheels running on two circular rails embedded in a concrete foundation. It is driven either reversibly by a system of electric motor, braked electromagnetic clutch, transmission unit, capstan and drive rope, or by a pivotally mounted doubleacting hydraulic or pneumatic ram which engages notches on a notched rail mounted beneath the platform, the notches being spaced bail spaces apart. Means to prevent override of the platform are provided. Means for providing mechanical stimulation of the cows may be provided, also controlled by the photocells 43 and 44.
Patent GB-160221-A (GB)
Title: Improvements in stair-rod eyes and fastenings and the like
IPC: A47H19/00
Filed: 1919-11-17
Abstract: 160,221. Dupont, G. C. Nov. 17, 1919. Hooks, fixed to walls and flat surfaces are secured to their supporting surfaces by prongs on a base plate and on a flap hinged thereto. Fig. 7 shows a hook b<7> hinged to a base-plate a<5>, securing prongs b<1>, a<6> and an eccentrically-pivoted locking-disc b<2> being arranged as shown.
Patent GB-724268-A (GB)
Title: Improvements in or relating to multi-cavity anode structures for magnetrons
Inventor: SPENCER PERCY LE BARON
IPC: H01J25/587
Filed: 1952-11-11
Abstract: 724,268. Magnetrons. RAYTHEON MANUFACTURING CO. Nov. 11, 1952, No. 28448/52. Class 39 (1). [Also in Group XL(b)]. A magnetron multi-cavity anode structure consists of a plurality of individual U-shaped elements 16 arranged side by side, the adjacent arms of each pair of adjacent elements interlocking and passing through one another and projecting each into the region of space enclosed by the other. The elements are mounted at their bights on a support, as shown the cylindrical body 14. It is stated that the structure tends to lock in the #-mode. The invention is described with reference to a packaged magnetron having magnetic pole-pieces extending inside the envelope, and the cathode support extending through one pole-piece.
Patent GB-218547-A (GB)
Title: Improvements in or relating to range finding apparatus
IPC: G01C3/10
Filed: 1923-11-12
Abstract: 218,547. Pollak, J. E., (Maschinenbau- Akt.-Ges. Seebach). Nov. 12, 1923. Tell-tale apparatus.-In order to ensure that the telescope at the ends of a range-finding base are sighted on the same object, e.g. one aircraft in a squadron, electrical resistances are provided and arranged so that when the telescopes are both inclined to the horizontal at the same angle a galvanometer in the circuit is in zero position. Telescopes 2 at the ends N, F of a known base are mounted on a common axis 1, the axles being fitted with discs 3 carrying resistances proportional to the angle of altitude of the telescopes 2. These resistances are arranged in a Wheatstone bridge circuit with a source of current 6 and a. galvanometer 5. When both telescopes are at the same angle to the horizontal the galvanometer indicates zero. Specification 218,548, [Class 97 (i), Optical systems &c.], is referred to.
Patent GB-1035368-A (GB)
Title: Fluid flow measurement
Inventor: MACPHERSON ANGUS
IPC: A61B5/028
Filed: 1963-07-18
Abstract: 1, 035, 368. Measuring blood flow. NATIONAL RESEARCH DEVELOPMENT CORPORATION. July 20, 1964 [July 18, 1963], No. 28539/63. Heading A5K. [Also in Division G1] The figure shows a hypodermic probe for measuring blood flow. Mounted at its end are two temperature sensitive devices, S<SP>1</SP>, S<SP>2</SP> which may be thermistors of silicon semi-conductor elements. These elements have identical voltage/current characteristics in the region of body temperature and identical linear coefficients of resistivity. S<SP>1</SP>, however, has a small heat capacity and resistance to heat flow so that heat generated by current in the probe is readily dissipated by blood flow past the needle while S<SP>2</SP> has a much larger thermal capacity and resistance to heat flow so that its final temperature is independent of blood flow. The elements form two arms of an A.C. fed bridge, the out of balance current of which is detected by a phase sensitive detector as a measure of blood flow.